Android camera calibration without chessboard
I know there is some post talking about this topic but I could not find my
answer.
I want to calibrate my android camera without chessboard for 3d
reconstruction, so I need my intrinsic and extrinsic parameters.
My first goal is to extract the 3D real system to be able to put some 3d
Model on screen.
How can I compute them without chessboard calibration? I have some data
from android such as focal length. I can guess that the projection center
is the center of my camera picture.
Any idea or advice? or other way to do it ?
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